1. Ionic Bonds

2. Valence electrons are involved in bonding.
Why do Atoms Bond?
To become stable.
V = ____
Valence electrons are involved in bonding.

3. Atoms gain or lose electrons to achieve a full valence shell
Why do Atoms Bond?
To become stable.
Octet Rule:
Atoms gain or lose electrons to achieve a full valence shell

4. The combining of atoms to form compounds.
What is a Chemical Bond?
The combining of atoms to form compounds.
Poisonous gas
Soft, metal + =

5. There are two major types of chemical bonds
What is a Chemical Bond?
There are two major types of chemical bonds
Ionic Bonds
Covalent Bonds

6. Atoms start off neutral. When they lose or gain e-, they become ions.
Ionic Bonds
1. Ionic Bonds: formed when atoms gain or lose electrons
Atoms start off neutral. When they lose or gain e-, they become ions.
Occurs between a METAL and a NONMETAL

7. Ionic Bonds Metal to Nonmetal19
Ionic Bonds Metal to Nonmetal
Electrons either taken or given away
Sodium
Chlorine +
Opposites attract

8. Losing & Gaining Electrons Nonmetals form ANIONS (-)
Metals form CATIONS (+) Na
Give Away
Nonmetals form ANIONS (-) Cl
Take in

9. The (-) ion and (+) ion attract.
Opposites Attract
The (-) ion and (+) ion attract. Na Cl
(1+)
(1-) Na Cl
A neutral compound

10. Ionic Bonds
An ionic bond is the resulting attraction for an anion and a cation after an electron is transferred from the metal to the non-metal